The following holidays are legal holidays all over Switzerland:

New Year’s Day (Neujahr/jour de l'an/capodanno): January the first.

Good Friday (Karfreitag/ Vendredi Saint/Venerdi Santo). First Sunday after the first full moon after the Spring Equinox (late March).

Easter Sunday and Monday (Ostern/Pâques/Pasqua) : Second and third day after Good Friday.

Ascension Day (Auffahrt/Ascencion/Assensione) : 40 days after Easter Sunday.

Whit Sunday and Monday (Pfingsten/Pentecôte/Pentecoste) : 10th and 11th days after Ascension Day.

National Day (Bundesfeier/fête nationale/festa nazionale): August the first (Celebrates the Oath of 1291, which is considered the start of the Swiss Confederation).

Christmas Day and St. Stephen’s Day: (Weihnachten/ Noël/Natale): December 25 and 26. Note that St. Stephen’s Day is not always a holiday, as it often depends on company’s good will.

Federal Fast (Bundesfast/Jeûne federal): Second Monday of September except in Geneva where the Genevan Fast is celebrated on the first Thursday of September. Don’t be mistaken; these two dates are occasions of feasts rather than fasts.